var tabs=document.getElementsByClassName('tab-head-div');
var divs=document.getElementsByClassName('tab-body-div');
for(var i=0;i<tabs.length;i++){
	tabs[i].onmouseover=function(){
		for(var j=0;j<divs.length;j++){
			if(this==tabs[j]){
				tabs[j].classList.add('current');
				
			}else{
				tabs[j].classList.remove('current');
				divs[j].classList.remove('current');
			}
		}
	}
}
